1// compile -c=4
2
3// Copyright 2017 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Issue 20162: embedded interfaces weren't dowidth-ed by the front end,
8// leading to races in the backend.
9
10package p
11
12func Foo() {
13	_ = (make([]func() interface {
14		M(interface{})
15	}, 1))
16}
17